Poor Acceleration; Engine Revs Up Abnormally High When Starting Off In D, S, and R; Stall Speed Low

Poor acceleration; engine revs up abnormally high when starting off in D, S, and R; stall speed low; engine does not rev to high rpm; transmission does not upshift under hard acceleration

Shift solenoid valve D defective

Torque converter one-way clutch defective

Engine output low

Torque converter clutch piston defective

Lock-up shift valve defective

Notes

Test the shift solenoid valve with the HDS Shift Solenoid Valve Test, Replacement, and Shift Solenoid Wire Harness Replacement.

Notes

Check for a seized shift solenoid valve, and inspect the O-rings.

Notes

Check the engine control system.

Notes

Check the fuel pressure.

Notes

Check for exhaust restriction.

Notes

Check for intake restriction.

Notes

Check the VTEC rocker arm.

Notes

Replace the torque converter.

Notes

Check the lock-up shift valve in the main valve body for free movement, and check the valve spring for wear and damage.